英语 主动句和被动句转换

问题描述:

英语 主动句和被动句转换
when did they build the pyramids?
do they speak Spanish in Brazil?
what languages do they speak in India?
Have they found any life on Mars?
Where will they play the next World Cup?
When did they invent television?
Where do they grow coffee?

When were the pyramids built?Is Spanish spoken in Brazil?What languages are spoken in India?Have any life been found on Mars?Where will the next World Cup be played?When was the television invented?Wh...